Which of the Following Statements About the Major Distribution Barriers

question 22

Multiple Choice

Which of the following statements about the major distribution barriers (blood-brain or fetal-placental) is true?

• A)Water soluble and ionized drugs cross these barriers rapidly.
• B)The blood-brain barrier slows the passage of many drugs into and out of brain cells.
• C)The fetal-placental barrier protects the fetus from drugs taken by the mother.
• D)Lipid-soluble drugs do not pass these barriers and are safe for pregnant women.

Understand components and functions of blood plasma.

Recognize the significance of hematocrit values and the methodology for their determination.

Comprehend the role of leukocytes in defending against infections and their variation in response to different pathogens.

Understand the components and functions of a supply chain distribution network.

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Definitions:

Rough ER

A part of the endoplasmic reticulum with ribosomes attached to its surface, involved in protein synthesis.

Lysosomes

Organelles in cells that contain enzymes for digesting cellular waste material and foreign substances.

Proteosomes

Proteosomes are large protein complexes within cells that degrade and recycle damaged or unneeded proteins, critical for cellular regulation and function.

Spindle Fibers

The microtubules that form during cell division, helping to separate chromosomes into daughter cells.